swiftlang/swift

[SR-7148] Compile-time conditionalization of endianness in the compiler should be done by target checking

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#49,696 opened on 2018年3月8日

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bugcompilergood first issue

説明

Previous ID SR-7148
Radar None
Original Reporter @jckarter
Type Bug
Votes 0
Component/s Compiler
Labels Bug, StarterBug
Assignee None
Priority Medium

md5: 7f26b7e8c0700431c7bacc1871180f85

Issue Description:

IRGen appears to have grown compile-time conditionalizations on host properties, e.g.:

https://github.com/apple/swift/blob/master/lib/IRGen/GenEnum.cpp#L3892

This is not correct if cross-compiling for a target with different endianness than the compiler host. This should check the properties of the target instead of being a #if

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